cut middle class income taxes to the lowest rate in sixty years, and we're creating tax free zones for business startups. the new new york is working creating tens of thousands of new businesses, and we're just getting started. to grow or start your business visit thenewny.com >>> we are back with more of msnbc's continuing coverage of the boston marathon bombing. after last night's capture of suspect, 19-year-old dzhokhar tsarnaev, who -- just who were these two young men who wreaked havoc on the city of boston? robert pape is with us and clark kent ervin. bob, let's start with something we were talking about during the break here. the absolute next step in this investigation is going to be what? >> we're going to go to that, quote, foreign government that gave us information about the older brother a few years ago and we're going to want to know what exactly they had that led them to make a request that we interview them. that information is crucial. it's probably our next best lead at this point. why is that? you see our nsa, our security services, we suck up an amazing amount of in